/**
 * Estilos para la funcionalidad de agregar productos por SKU
 * en la página de carrito vacío
 */

/* ============================================
   MENSAJE DE CARRITO VACÍO PERSONALIZADO
   ============================================ */

.custom-empty-cart-message {
    text-align: center;
    padding: 30px 30px 20px;
    max-width: 500px;
    margin: 0 auto;
    animation: fadeInDown 0.5s ease-out;
}

/* Icono del carrito vacío */
.empty-cart-icon {
    display: inline-block;
    width: 70px;
    height: 70px;
    margin-bottom: 15px;
    position: relative;
}

.empty-cart-icon svg {
    width: 100%;
    height: 100%;
    stroke: #d0d0d0;
    stroke-width: 1.8;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.04));
    transition: all 0.3s ease;
}

.custom-empty-cart-message:hover .empty-cart-icon svg {
    stroke: #e74c3c;
    transform: scale(1.08);
}

/* Título principal */
.empty-cart-title {
    font-size: 26px;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 8px;
    line-height: 1.2;
    letter-spacing: -0.3px;
}

/* Subtítulo */
.empty-cart-subtitle {
    font-size: 15px;
    color: #7f8c8d;
    margin: 0 0 6px;
    font-weight: 400;
}

/* Descripción */
.empty-cart-description {
    font-size: 14px;
    color: #95a5a6;
    margin: 0 0 10px;
    line-height: 1.5;
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
}

/* Animación de entrada (más rápida y sutil) */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive para el mensaje */
@media (max-width: 768px) {
    .custom-empty-cart-message {
        padding: 25px 20px 15px;
    }

    .empty-cart-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 12px;
    }

    .empty-cart-title {
        font-size: 23px;
    }

    .empty-cart-subtitle {
        font-size: 14px;
    }

    .empty-cart-description {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .custom-empty-cart-message {
        padding: 20px 15px 12px;
    }

    .empty-cart-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 10px;
    }

    .empty-cart-title {
        font-size: 20px;
    }

    .empty-cart-subtitle {
        font-size: 13px;
    }

    .empty-cart-description {
        font-size: 12px;
    }
}

/* ============================================
   FIN MENSAJE DE CARRITO VACÍO
   ============================================ */

/* Clase para lectores de pantalla (accesibilidad) */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

/* Contenedor principal */
.add-by-sku-section {
    margin: 20px auto 25px;
    padding: 25px;
    max-width: 600px;
    background: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    text-align: center;
}

.add-by-sku-section h3 {
    margin: 0 0 8px;
    font-size: 22px;
    color: #333;
    font-weight: 600;
}

.add-by-sku-section > p {
    margin: 0 0 18px;
    color: #666;
    font-size: 13px;
}

/* Wrapper del input */
.sku-input-wrapper {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
}

/* Input de SKU */
.sku-input {
    flex: 1;
    width: 100%;
    max-width: 100%;
    padding: 14px 18px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    transition: border-color 0.3s, box-shadow 0.3s;
    background: white;
}

.sku-input:focus {
    outline: none;
    border-color: #2c3e50;
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.1);
}

.sku-input::placeholder {
    color: #999;
}

/* Mensajes de feedback */
.sku-message {
    padding: 12px 20px;
    margin-top: 15px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sku-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.sku-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Contenedor de sugerencias */
.sku-suggestions {
    position: relative;
    margin-top: 10px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-height: 400px;
    overflow-y: auto;
    z-index: 100;
    text-align: left;
}

/* Lista de sugerencias */
.sku-suggestions-list {
    display: flex;
    flex-direction: column;
}

/* Item de sugerencia */
.sku-suggestion-item {
    display: flex;
    gap: 15px;
    padding: 12px;
    border-bottom: 1px solid #eee;
    cursor: pointer;
    transition: background 0.2s;
    align-items: center;
}

.sku-suggestion-item:last-child {
    border-bottom: none;
}

.sku-suggestion-item:hover,
.sku-suggestion-item.selected {
    background: #f5f5f5;
}

.sku-suggestion-item.out-of-stock {
    opacity: 0.6;
}

.sku-suggestion-item.out-of-stock:hover {
    background: #fff3cd;
}

/* Imagen de la sugerencia */
.suggestion-image {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border: 1px solid #eee;
    border-radius: 4px;
    overflow: hidden;
    background: white;
}

.suggestion-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Información de la sugerencia */
.suggestion-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.suggestion-name {
    font-weight: 600;
    color: #333;
    font-size: 14px;
    line-height: 1.3;
}

.suggestion-details {
    display: flex;
    gap: 15px;
    font-size: 12px;
    color: #666;
    flex-wrap: wrap;
}

.suggestion-sku {
    font-family: monospace;
    background: #f0f0f0;
    padding: 2px 6px;
    border-radius: 3px;
}

.suggestion-stock {
    padding: 2px 8px;
    border-radius: 3px;
    font-weight: 500;
}

.suggestion-stock.in-stock {
    background: #d4edda;
    color: #155724;
}

.suggestion-stock.out-of-stock {
    background: #f8d7da;
    color: #721c24;
}

.suggestion-price {
    font-weight: 600;
    color: #2c3e50;
    font-size: 15px;
}

/* Estados especiales */
.sku-suggestions .loading,
.sku-suggestions .no-results {
    padding: 20px;
    text-align: center;
    color: #666;
    font-size: 14px;
}

.sku-suggestions .loading:before {
    content: "⏳ ";
}

.sku-suggestions .no-results:before {
    content: "🔍 ";
}

/* Botón "Volver a la tienda" - Rediseñado */
.empty-cart .return-to-shop {
    margin: 25px auto 15px;
    text-align: center;
    padding: 15px 0;
}

.empty-cart .return-to-shop a.button,
.empty-cart .return-to-shop .button {
    display: inline-block;
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.empty-cart .return-to-shop a.button::before {
    content: "🛒 ";
    margin-right: 8px;
    font-size: 18px;
}

.empty-cart .return-to-shop a.button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.empty-cart .return-to-shop a.button:hover {
    background: linear-gradient(135deg, #c0392b 0%, #a93226 100%);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
    transform: translateY(-2px);
}

.empty-cart .return-to-shop a.button:hover::after {
    width: 300px;
    height: 300px;
}

.empty-cart .return-to-shop a.button:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(231, 76, 60, 0.3);
}

/* Texto adicional opcional sobre el botón */
.empty-cart .return-to-shop::before {
    content: "O explora nuestro catálogo completo";
    display: block;
    color: #888;
    font-size: 13px;
    margin-bottom: 12px;
    font-style: italic;
    font-weight: 400;
}

/* Responsive */
@media (max-width: 768px) {
    .add-by-sku-section {
        padding: 20px;
        margin: 18px auto 20px;
    }

    .sku-input-wrapper {
        flex-direction: column;
    }

    .sku-input {
        width: 100%;
        padding: 12px 16px;
        font-size: 14px;
    }

    .sku-suggestions {
        max-height: 300px;
    }

    .suggestion-image {
        width: 50px;
        height: 50px;
    }

    .suggestion-name {
        font-size: 13px;
    }

    .suggestion-details {
        font-size: 11px;
    }

    /* Botón regresar a la tienda en tablet */
    .empty-cart .return-to-shop {
        margin: 20px auto 12px;
        padding: 12px 0;
    }

    .empty-cart .return-to-shop a.button {
        padding: 14px 35px;
        font-size: 14px;
    }

    .empty-cart .return-to-shop::before {
        font-size: 12px;
        margin-bottom: 10px;
    }
}

@media (max-width: 480px) {
    .add-by-sku-section {
        padding: 18px;
        margin: 15px 10px 18px;
    }

    .add-by-sku-section h3 {
        font-size: 20px;
    }

    .sku-input-wrapper {
        gap: 8px;
    }

    .sku-input {
        padding: 12px 14px;
        font-size: 14px;
    }

    /* Botón regresar a la tienda en móvil */
    .empty-cart .return-to-shop {
        margin: 18px 10px 10px;
        padding: 10px 0;
    }

    .empty-cart .return-to-shop a.button {
        padding: 14px 32px;
        font-size: 13px;
        border-radius: 40px;
        width: 100%;
        max-width: 280px;
    }

    .empty-cart .return-to-shop::before {
        font-size: 11px;
        margin-bottom: 8px;
    }
}

/* Animación de carga */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.sku-suggestions .loading:after {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #2c3e50;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    vertical-align: middle;
}

/* Scrollbar personalizado para las sugerencias */
.sku-suggestions::-webkit-scrollbar {
    width: 8px;
}

.sku-suggestions::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.sku-suggestions::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.sku-suggestions::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Animación de pulso suave para el botón de regresar */
@keyframes gentlePulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(231, 76, 60, 0.5);
    }
}

.empty-cart .return-to-shop a.button {
    animation: gentlePulse 3s ease-in-out infinite;
}

.empty-cart .return-to-shop a.button:hover {
    animation: none;
}

/* Animación de entrada del botón */
@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.empty-cart .return-to-shop {
    animation: slideUpFade 0.6s ease-out 0.3s both;
}